| iommuvar.h (110030) | iommuvar.h (113238) |
|---|---|
| 1/* 2 * Copyright (c) 1999 Matthew R. Green 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * from: NetBSD: iommuvar.h,v 1.9 2001/07/20 00:07:13 eeh Exp 29 * | 1/* 2 * Copyright (c) 1999 Matthew R. Green 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * from: NetBSD: iommuvar.h,v 1.9 2001/07/20 00:07:13 eeh Exp 29 * |
| 30 * $FreeBSD: head/sys/sparc64/include/iommuvar.h 110030 2003-01-29 07:25:27Z scottl $ | 30 * $FreeBSD: head/sys/sparc64/include/iommuvar.h 113238 2003-04-08 06:35:09Z jake $ |
| 31 */ 32 33#ifndef _MACHINE_IOMMUVAR_H_ 34#define _MACHINE_IOMMUVAR_H_ 35 36#define IO_PAGE_SIZE PAGE_SIZE_8K 37#define IO_PAGE_MASK PAGE_MASK_8K 38#define IO_PAGE_SHIFT PAGE_SHIFT_8K 39#define round_io_page(x) round_page(x) 40#define trunc_io_page(x) trunc_page(x) 41 42/* 43 * per-IOMMU state 44 */ 45struct iommu_state { 46 int is_tsbsize; /* 0 = 8K, ... */ 47 u_int64_t is_dvmabase; 48 int64_t is_cr; /* IOMMU control register value */ 49 | 31 */ 32 33#ifndef _MACHINE_IOMMUVAR_H_ 34#define _MACHINE_IOMMUVAR_H_ 35 36#define IO_PAGE_SIZE PAGE_SIZE_8K 37#define IO_PAGE_MASK PAGE_MASK_8K 38#define IO_PAGE_SHIFT PAGE_SHIFT_8K 39#define round_io_page(x) round_page(x) 40#define trunc_io_page(x) trunc_page(x) 41 42/* 43 * per-IOMMU state 44 */ 45struct iommu_state { 46 int is_tsbsize; /* 0 = 8K, ... */ 47 u_int64_t is_dvmabase; 48 int64_t is_cr; /* IOMMU control register value */ 49 |
| 50 vm_offset_t is_flushpa[2]; | 50 vm_paddr_t is_flushpa[2]; |
| 51 volatile int64_t *is_flushva[2]; 52 /* 53 * When a flush is completed, 64 bytes will be stored at the given 54 * location, the first double word being 1, to indicate completion. 55 * The lower 6 address bits are ignored, so the addresses need to be 56 * suitably aligned; over-allocate a large enough margin to be able 57 * to adjust it. 58 * Two such buffers are needed. --- 13 unchanged lines hidden (view full) --- 72 bus_addr_t is_dtcmp; /* tag compare diag. access */ 73 74 STAILQ_ENTRY(iommu_state) is_link; 75}; 76 77/* interfaces for PCI/SBUS code */ 78void iommu_init(char *, struct iommu_state *, int, u_int32_t, int); 79void iommu_reset(struct iommu_state *); | 51 volatile int64_t *is_flushva[2]; 52 /* 53 * When a flush is completed, 64 bytes will be stored at the given 54 * location, the first double word being 1, to indicate completion. 55 * The lower 6 address bits are ignored, so the addresses need to be 56 * suitably aligned; over-allocate a large enough margin to be able 57 * to adjust it. 58 * Two such buffers are needed. --- 13 unchanged lines hidden (view full) --- 72 bus_addr_t is_dtcmp; /* tag compare diag. access */ 73 74 STAILQ_ENTRY(iommu_state) is_link; 75}; 76 77/* interfaces for PCI/SBUS code */ 78void iommu_init(char *, struct iommu_state *, int, u_int32_t, int); 79void iommu_reset(struct iommu_state *); |
| 80void iommu_enter(struct iommu_state *, vm_offset_t, vm_offset_t, int); | 80void iommu_enter(struct iommu_state *, vm_offset_t, vm_paddr_t, int); |
| 81void iommu_remove(struct iommu_state *, vm_offset_t, size_t); 82void iommu_decode_fault(struct iommu_state *, vm_offset_t); 83 84int iommu_dvmamap_create(bus_dma_tag_t, bus_dma_tag_t, struct iommu_state *, 85 int, bus_dmamap_t *); 86int iommu_dvmamap_destroy(bus_dma_tag_t, bus_dma_tag_t, struct iommu_state *, 87 bus_dmamap_t); 88int iommu_dvmamap_load(bus_dma_tag_t, bus_dma_tag_t, struct iommu_state *, --- 19 unchanged lines hidden --- | 81void iommu_remove(struct iommu_state *, vm_offset_t, size_t); 82void iommu_decode_fault(struct iommu_state *, vm_offset_t); 83 84int iommu_dvmamap_create(bus_dma_tag_t, bus_dma_tag_t, struct iommu_state *, 85 int, bus_dmamap_t *); 86int iommu_dvmamap_destroy(bus_dma_tag_t, bus_dma_tag_t, struct iommu_state *, 87 bus_dmamap_t); 88int iommu_dvmamap_load(bus_dma_tag_t, bus_dma_tag_t, struct iommu_state *, --- 19 unchanged lines hidden --- |